Module complex_wavelets

Module complex_wavelets 

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Complex Wavelets Module

Complex wavelets provide both magnitude and phase information, making them ideal for analyzing non-stationary financial time series where phase relationships and instantaneous frequency are important.

§Key Features

  • Complex Morlet: Optimal time-frequency localization for trend analysis
  • Complex Mexican Hat: Good for detecting singularities and discontinuities
  • Complex Paul: Specialized for detecting oscillatory patterns
  • Analytic Wavelets: Phase-preserving decomposition for financial signals

§Financial Applications

  • Trend Analysis: Phase information reveals trend strength and direction
  • Regime Detection: Instantaneous frequency changes indicate regime shifts
  • Volatility Clustering: Phase coherence identifies volatility periods
  • Lead-Lag Analysis: Cross-wavelet phase relationships between assets

§See Also

  • Wavelet families and how to choose discrete wavelets: docs/WAVELET_FAMILIES.md
  • Transform behavior (CWT and dual-tree CWT): docs/TRANSFORMS_GUIDE.md
  • Advanced analysis (coherence using ComplexMorlet and other complex wavelets): docs/ADVANCED_ANALYSIS.md

Structs§

ComplexMexicanHat
Complex Mexican Hat (Ricker) Wavelet
ComplexMorlet
Enhanced Complex Morlet Wavelet for Financial Analysis
ComplexPaul
Complex Paul Wavelet
ComplexWaveletResult
Complex Wavelet Analysis Result